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'GEORGE GREGORY'AND F; B. MORSE, OF NEW HAVEN, GONNEO.TICUT ASSIGNORSTOTHEMSELV'ES .AND W. H. COOPER, OF SAME PLACE.

Letters Patent No. 63,792, dated April' 16, 11867r To ALL wnoM 1T MAYooNcERN:

Be it known that we, GEDRGE Gnneonr and F. B. Monsn, of New Haven, inthe county ot'New Heren, and State of Con'neet'icut,have invented anewImprovement vin Stump Joint for Carringes; and we do hereby declare' thefollowing, whentnken'inconnection with the accompanying drawings, andthe letters of reference marked thereon, to be u. full, clear, andexactdeseription of the same, and which said'drawings constitutepurt-ofthis I' specification, and represent, in-l Figure'l, a perspectiveview,thejoint in position :is when open. i Figure 2, o. perspective view whenclosed. Figure 3,' n sectional viewg und in Figures 4 and 5, the twoparts detached'.`

This invention 4relates to' un improvement in what is termed a.stuup'joint for carriages, that is to any, th'e joint in the braceswhich supports the top in an upright position or permits it to drop whenthe joint is open,

- mdcpnsistsinihepeculiar formation of thejointwherebyit is muchstrengthened and its durability increased nt little or no additionalexpense.

f To enable others to construct and use our improvement, we will proceedto describe the same ns illustrated. in the accompanyingV drawings.

` A-and are the tivo parts of the joint; upon the one, B, is formed enear, C, 1-nd upon the other an ear,

- D, inoutwnrd appearance corresponding to each other and to the commonstump joint. Upon the one enr, C, is formed a. projecting stud, a, sseen in figs-3 and 4, in the other ear, Il), is formed recess, us seenin' iig. 5,

corresponding t the projection aupon the other enr, s o-that when thetwo parts are 4placed together, tho projection upon the one will titinto the recessof the other, and form a square shoulder bearing, us seenin iig. 3, so that the wholestrain of the joint cornes upon the metal of'the joint'itself. A screw, passes through the `centre t'o secure theparts together, but by the construction of the joint as descrihednostrain or wear whatever comesupon the .rivet or screw (whichever it mayhe) which secures the two pnrtstogether. Heretofore the two ears havebeen formed so that the meeting surfaces lielat face to face, thewhole'streinand weer coming upon the rivet or screw which securesthe twoparts together, consequently" the joint is soonworn loose. Thus formed,

the joint is ready for mnrket. The braces are welded to each of theparts und formed sons to conform to .the

construction of the carrin'ge'top.'

We do not wis'h to be understood ns'broadly claiming n joint formed bythey stud upon one part fitting into the corresponding recess inl theother, ns such is. common and well known. Our invention is simply for animproved article of manufacture.` Y

Having thus Fully described our invention, what we claim i new anduseful, and desire ,to secure by Let'- ters Patent, is.

' The here'inhdescribed stump joint as an improved article ofmanufactureeonsisting of the two parts Aantrupon theearof one of whichis formed. a stud, a, nndin the' other. a corresponding recess, so thatthe said* stud forms the bearing or pivot for the joint, substantiallyas herein set forth.

GEORGE GREGORY, FQB. MORSE.

Mitnesses i A. J. Trnrrs,g

Jenn SHunwuY.

